kernel/linux.git/arch/powerpc/include/asm/kvm_fpu.h, branch linux-4.4.y

powerpc: Remove fpscr use from [kvm_]cvt_{fd,df}

2010-09-02T04:07:32+00:00

Neither lfs nor stfs touch the fpscr, so remove the restore/save of it around them. Signed-off-by: Andreas Schwab Signed-off-by: Benjamin Herrenschmidt

KVM: PPC: elide struct thread_struct instances from stack

2010-08-01T07:39:24+00:00

Instead of instantiating a whole thread_struct on the stack use only the required parts of it. Signed-off-by: Andreas Schwab Tested-by: Alexander Graf Signed-off-by: Marcelo Tosatti

KVM: PPC: Add helpers to call FPU instructions

2010-04-25T09:35:15+00:00

To emulate paired single instructions, we need to be able to call FPU operations from within the kernel. Since we don't want gcc to spill arbitrary FPU code everywhere, we tell it to use a soft fpu. Since we know we can really call the FPU in safe areas, let's also add some calls that we can later use to actually execute real world FPU operations on the host's FPU. Signed-off-by: Alexander Graf Signed-off-by: Avi Kivity